Chain of custody receipt

Source #40250

Cryptographic attestation that the document below was captured in Goblin House's archive at the timestamp shown, with the hash listed. If the original URL goes dark or its content changes, this receipt remains as evidence of what the public record looked like at capture time.

TitleSEC EDGAR: filing — Space Development Agency (2025-03-03)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Space%20Development%20Agency%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2025-03-03
EntitySpace Development Agency
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-13T05:15:17.880Z UTC
SHA-2566677283dbda858f1542aec782f2b3efc3b1759ceab21dc5e02ba6a5a67f2ddae
Content length572 bytes
Content preview (first 800 chars) 
{
  "ciks": [
    "0001780312"
  ],
  "period_ending": "2024-12-31",
  "file_num": [
    "001-39040"
  ],
  "display_names": [
    "AST SpaceMobile, Inc.  (ASTS)  (CIK 0001780312)"
  ],
  "xsl": null,
  "sequence": 1,
  "root_forms": [
    "10-K"
  ],
  "file_date": "2025-03-03",
  "biz_states": [
    "TX"
  ],
  "sics": [
    "4899"
  ],
  "form": "10-K",
  "adsh": "0000950170-25-030909",
  "film_num": [
    "25698505"
  ],
  "biz_locations": [
    "Austin, TX"
  ],
  "file_type": "10-K",
  "file_description": "10-K",
  "inc_states": [
    "DE"
  ],
  "items": []
}

Verifying this receipt

The hash above was computed as:

sha256( coalesce(url, '<no-url>') || '\n' || raw_content )

Anyone with a copy of the original document can verify the match:

  1. Take the URL field and the original document content.
  2. Concatenate url + '\n' + content and SHA-256 it.
  3. Compare to the SHA-256 row above.

Or POST the candidate content to /source/40250/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/40250/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/40250/receipt.json